Last updated: February 24, 2025
In January, Yountville, United States, experiences a captivating blend of winter charm and brisk weather. With a maximum temperature of 26°C (78°F) and an average of 10°C (50°F), residents and visitors can expect cool days that might dip to a refreshing minimum of -1°C (30°F). This month also brings 127 mm (5.0 in) of precipitation, occurring over 8 days, contributing to the region's vibrant landscape. Coupled with a humidity level of 84%, January's climate offers a distinctive atmosphere perfect for cozying up by the fire or exploring the scenic beauty of Napa Valley.
In Yountville, United States, January ushers in a winter chill, with minimum temperatures dipping to around -1°C (30°F), embodying the season's crispness. The month presents a balanced average temperature of 10°C (50°F), ideal for exploring the charming streets and local wineries, while daytime highs can reach a cozy 26°C (78°F), offering a pleasant contrast to the cool nights. As January transitions into February and beyond, there's a noticeable upward trend in temperatures, indicating a gradual shift towards the warmth of spring. This month serves as a comfortable gateway into a year where highs consistently increase, promising more delightful and sunlit days ahead. Overall, January's climate invites both serenity and the potential for outdoor enjoyment, making it a unique time to experience Yountville's beauty.
In Yountville, January heralds the wettest month of the year, with an impressive 127 mm (5.0 in) of precipitation falling over approximately 8 days. This significant rainfall sets the tone for the beginning of the year, building a lush landscape that thrives with life. As winter transitions into spring, the following months see a noticeable decline in precipitation, with February close behind at 120 mm (4.7 in) but only 7 days of rain, and a drop to 84 mm in March. By April, the skies lighten, bringing just 32 mm (1.3 in) over 5 days. This trend continues as the region moves towards a drier climate, with summer months experiencing virtually no rainfall. The dramatic shift from the abundant January precipitation to the arid conditions of mid-year illustrates Yountville's seasonal variations and vibrant ecosystem, inviting residents and visitors alike to appreciate the beauty of its changing landscapes.
In Yountville, United States, January brings a high level of humidity at 84%, a trend that continues into February. As winter slowly transitions to spring, humidity levels remain consistent, only dipping slightly to 83% by March. However, as the months progress into April and May, a gradual decline becomes apparent, with humidity dropping to 81% and then 74%. The summer months mark a striking shift, where July and August see humidity levels fall dramatically to 44% and 36%, respectively. This trend of lower humidity persists through early fall, before gradually climbing again in October, reaching 65%. By November and December, Yountville experiences a return to the wetter conditions of winter, with humidity levels back up to 84% and 83%. Overall, the climatic cycle reveals a clear seasonal rhythm, with high humidity in winter and a notable decrease during the warmer months.
In Yountville, January welcomes a moderate UV Index of 3, indicating that while sun exposure is generally safe, caution is advised for those with sensitive skin. With a burn time of approximately 30 minutes, outdoor enthusiasts can enjoy the crisp winter air without immediate worry, though it’s always smart to apply sunscreen if staying out longer. As the months progress, the UV Index steadily climbs, peaking in June and July at an extreme level of 11, where even short sun exposures can lead to burns. This cyclical trend highlights the importance of protecting your skin as spring blooms into summer. For detailed insights on UV fluctuations throughout the year, visit Yountville UV Index.
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January in Yountville offers a modest 141 hours of sunshine, setting the stage for a gradual increase as the year unfolds. As winter gives way to spring, February sees a notable rise to 210 hours, inviting the first hints of warmth. By March, sunshine blooms further, with 257 hours illuminating the landscape. The upward trend is undeniable as April brings 296 hours and May peaks at an impressive 357 hours, drawing visitors eager to explore the region's stunning vistas. June and July continue this sunny momentum, each boasting close to 400 hours, ideal for outdoor adventures. Although August experiences a slight dip to 356 hours, the brightness persists into September with 314 hours, before gradually tapering in the cooler months. By November and December, sunshine settles at 220 hours and 185 hours respectively, reminding us of the seasonal ebb and flow in this picturesque corner of the United States. The cycle of sunshine throughout the year not only enhances Yountville's charm but also highlights the rich tapestry of climate that beckons visitors year-round.
In Yountville, January welcomes the year with a 37% chance of sunny weather, which marks one of the lower probabilities for sunshine compared to the subsequent months. As winter transitions into spring, the likelihood of clear skies rises significantly, with February seeing a jump to 59% and March reaching 63%. This upward trend continues through the spring and into summer, peaking in August at an impressive 89%. The sunny disposition of Yountville maintains a steady hold as autumn approaches, falling to 50% in November before closing the year with a dip back to 35% in December. Overall, this progression highlights a clear shift towards brighter days as the seasons change, making January a transitional month for sunny weather in this charming town.
In Yountville, United States, January welcomes the year with approximately 9 hours of daylight, setting the stage for a gradual increase that unfolds as winter transitions into spring. As February progresses, daylight extends to 10 hours, and by March, it reaches 11 hours, heralding the arrival of longer, sunnier days. This upward trend continues through April and May, peaking at an impressive 14 hours in June, July, and August. As summer wanes, daylight begins to recede, with September seeing 12 hours and the subsequent months gradually decreasing until January returns to its 9 hours. This cyclical pattern highlights the rhythm of the seasons, with each month inviting more light and warmth before the cycle begins anew.
In Yountville, January greets residents with a gentle average wind speed of 2.0 m/s (4 mph), setting a relatively calm tone for the month. As winter transitions into spring, winds pick up slightly in February and March, reaching 2.3 m/s (5 mph), suggesting a gradual increase in breezy days that encourage outdoor activities. The spring months show a consistent pattern, with speeds hovering around 2.0-2.6 m/s, reinforcing the area's character as a tranquil retreat. Interestingly, the wind tends to quiet down as summer approaches, with August hitting its lowest point at 1.9 m/s (4 mph). However, as fall rolls in, there’s a slight revival, peaking at 2.1 m/s (5 mph) in October, before tapering off again into the winter months. This gentle ebb and flow of wind throughout the year contributes to Yountville's charming ambiance, perfect for enjoying its renowned vineyards and culinary delights.
The weather in Yountville changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Yountville and find detailed weather information for every month.
January and February exhibit similar weather patterns, with both months featuring high humidity levels of around 84%. In January, temperatures range from a minimum of -1°C (30°F) to a maximum of 26°C (78°F), averaging around 10°C (50°F), while February sees slightly cooler minimum temperatures of -3°C (28°F) but a marginally higher average of 11°C (53°F) and a maximum of 27°C (81°F). Precipitation levels are fairly comparable, with January receiving 127 mm (5.0 in) over 8 days, and February slightly less at 120 mm (4.7 in) on 7 days. For more specific insights into February conditions, you can explore Yountville weather in February.
In January, temperatures range from a chilly -1°C (30°F) at night to a pleasant high of 26°C (78°F) during the day, with an average temperature of 10°C (50°F). The month experiences significant precipitation, totaling 127 mm (5.0 in) over about 8 days, coupled with high humidity levels of 84%. In contrast, March sees slightly warmer temperatures, with a minimum of 0°C (32°F) and a maximum of 30°C (86°F), averaging 12°C (54°F). Precipitation decreases to 84 mm (3.3 in) spread over 10 days, while humidity remains relatively stable at 83%. For more detailed insights, check out Yountville weather in March.
In January, the weather is generally cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 26°C (78°F) and an average of 10°C (50°F). The month is characterized by higher humidity at 84% and considerable precipitation, amounting to 127 mm (5.0 in) over about 8 days. In contrast, April sees a marked increase in temperature, with a minimum of 3°C (37°F), an average of 16°C (60°F), and a maximum of 33°C (92°F). Precipitation drops significantly to 32 mm (1.3 in) over just 5 days, and humidity remains slightly lower at 81%. For those interested in experiencing the differences in weather, more details can be found in this link: Yountville weather in April.
In comparing the weather between January and May, notable differences emerge in temperature and precipitation patterns. January experiences a wider temperature range, with minimums dropping to -1°C (30°F) and maximums reaching 26°C (78°F), while May's minimums are comfortably higher at 4°C (40°F) and maximums soaring to 38°C (101°F). Additionally, January sees significantly more precipitation, averaging 127 mm (5.0 in) over 8 days, compared to a much drier May, which receives only 20 mm (0.8 in) across just 2 days. Humidity levels also differ, with January maintaining a higher 84% compared to May's 74%. For a closer look at what to expect during this time, you can visit Yountville weather in May.
In January, the weather is generally cool, with temperatures ranging from a chilly -1°C (30°F) at night to a pleasant 26°C (78°F) during the day, accompanied by significant precipitation of 127 mm (5.0 in) over about 8 days. The high humidity of 84% adds to the overall dampness of the month. In contrast, June experiences much warmer conditions, with a minimum temperature of 9°C (49°F) and a scorching maximum of 42°C (108°F), making it ideal for outdoor activities. Precipitation is minimal at just 2 mm (0.1 in) spread across the month, and not a single rainy day is recorded, resulting in a lower humidity of 64%. For more details on the June weather, check out Yountville weather in June.
In January, the weather tends to be much cooler, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 26°C (78°F) and an average of 10°C (50°F). This month also sees significant precipitation, averaging 127 mm (5.0 in) over about 8 days, along with high humidity levels at 84%. In contrast, July brings significantly warmer temperatures, with a minimum of 12°C (54°F) and a peak of 41°C (106°F), averaging around 24°C (76°F). Remarkably, July experiences almost no precipitation, with just 1 mm (0.0 in) recorded and no rainy days, combined with lower humidity at 44%. For a closer look at July weather specifics, you can visit Yountville weather in July.
January and August present a stark contrast in weather conditions. In January, temperatures range from a chilly minimum of -1°C (30°F) to a comfortable maximum of 26°C (78°F), with an average of 10°C (50°F). The month is also characterized by high humidity at 84% and frequent precipitation, totaling 127 mm (5.0 in) over 8 days. In contrast, August boasts significantly warmer temperatures, with a minimum of 11°C (52°F) and a blistering maximum reaching up to 43°C (109°F). The weather is dry, with no recorded precipitation, and humidity drops to a comfortable 36%. For those interested in more details, check out Yountville weather in August.
January and September showcase significantly contrasting weather patterns. In January, temperatures can dip to a chilly minimum of -1°C (30°F) and generally hover around an average of 10°C (50°F), all while experiencing considerable precipitation of 127 mm (5.0 in) over about 8 days and high humidity at 84%. Conversely, September warms up considerably, with minimums starting at 7°C (45°F) and averaging a comfortable 22°C (72°F), peaking at a scorching maximum of 44°C (112°F). Remarkably, September boasts almost no rainfall, with only 1 mm recorded, and the humidity drops to 44%, creating a much drier atmosphere. For a detailed look at how September weather behaves specifically in Yountville, check out Yountville weather in September.
In January, temperatures can be quite chilly, with a minimum of -1°C (30°F) and an average of 10°C (50°F), peaking at a mild 26°C (78°F). The month is characterized by frequent rain, totaling 127 mm (5.0 in) over about 8 days, and a high humidity level of 84%. In contrast, October offers a significant warm-up, featuring a minimum temperature of 4°C (39°F) and an average of 19°C (66°F), with maximums reaching a much hotter 38°C (101°F). Precipitation drops dramatically to just 31 mm (1.2 in) over only 2 days, alongside a more comfortable humidity level of 65%. For further insights, visit Yountville weather in October.
In comparing the weather between January and November, both months feature similar minimum temperatures of -1°C (30°F), but November offers slightly higher average temperatures, with an average of 13°C (56°F) compared to January's 10°C (50°F). The maximum temperatures in November also reach 29°C (85°F), making it warmer than January’s maximum of 26°C (78°F). Additionally, November experiences significantly less precipitation at 43 mm (1.7 in) over only 5 days, while January sees 127 mm (5.0 in) over 8 days. Both months have a humidity level of 84%, but the overall climate in November is noticeably milder and drier. For more details, check out the Yountville weather in November.
In comparison of January and December weather, both months share a similar average temperature of 10°C (50°F), but January experiences slightly colder conditions with a minimum temperature of -1°C (30°F) compared to December's 0°C (33°F). January also sees higher maximum temperatures, peaking at 26°C (78°F), while December’s maximum reaches 23°C (75°F). Precipitation levels are more significant in January, with 127 mm (5.0 in) compared to December’s 87 mm (3.4 in), although both months receive rainfall on about 8 days. Humidity remains relatively consistent, with January slightly higher at 84% versus December's 83%. For more specific insights, check out Yountville weather in December.
As winter settles in, January in Yountville brings a noticeable chill compared to the milder months preceding it. Temperatures can dip as low as -1°C (30°F) at night, creating a crisp atmosphere that contrasts sharply with the warmer days of late fall. This month also sees increased precipitation, with 127 mm (5.0 in) falling across about eight days, fostering the lush greenery that Yountville is known for. The higher humidity levels of 84% contribute to the cooler feeling in the air, making it essential for visitors to bundle up when exploring the scenic landscapes. For those interested in a deeper dive into the yearly climate variations, visit Yountville Climate.